Our Products Speaker MRST1215 Shape size: 15 × 12 × h4.0 Specifications: Rated input : 0.5W Max input : 0.75W Frequency range : Fo~20KHz Resonance Frequency: 1000± 20%Hz Impendance@1KHz : 8 ± 15%Ω SPL@0.8,1.0,1.2,1.5KHz(0.1W / 0.1m) : 87 ± 3dB Frequency range : 300~3400Hz Impendance@1KHz : 32 ± 15%Ω SPL@1KHz(100mV) : 107 ± 3dB PDF Please write down your comment on this product, and click Add to Inquiry List for inquiry Add to Inquiry List Review Inquiry List Back